summaryrefslogtreecommitdiff
path: root/libs/ardour/plugin_insert.cc
diff options
context:
space:
mode:
Diffstat (limited to 'libs/ardour/plugin_insert.cc')
-rw-r--r--libs/ardour/plugin_insert.cc917
1 files changed, 0 insertions, 917 deletions
diff --git a/libs/ardour/plugin_insert.cc b/libs/ardour/plugin_insert.cc
deleted file mode 100644
index 26d344dee4..0000000000
--- a/libs/ardour/plugin_insert.cc
+++ /dev/null
@@ -1,917 +0,0 @@
-/*
- Copyright (C) 2000 Paul Davis
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-#include <string>
-
-#include <sigc++/bind.h>
-
-#include <pbd/failed_constructor.h>
-#include <pbd/xml++.h>
-
-#include <ardour/plugin_insert.h>
-#include <ardour/plugin.h>
-#include <ardour/port.h>
-#include <ardour/route.h>
-#include <ardour/ladspa_plugin.h>
-#include <ardour/buffer_set.h>
-#include <ardour/automation_event.h>
-
-#ifdef HAVE_SLV2
-#include <ardour/lv2_plugin.h>
-#endif
-
-#ifdef VST_SUPPORT
-#include <ardour/vst_plugin.h>
-#endif
-
-#ifdef HAVE_AUDIOUNITS
-#include <ardour/audio_unit.h>
-#endif
-
-#include <ardour/audioengine.h>
-#include <ardour/session.h>
-#include <ardour/types.h>
-
-#include "i18n.h"
-
-using namespace std;
-using namespace ARDOUR;
-using namespace PBD;
-
-const string PluginInsert::port_automation_node_name = "PortAutomation";
-
-PluginInsert::PluginInsert (Session& s, boost::shared_ptr<Plugin> plug, Placement placement)
- : Processor (s, plug->name(), placement)
-{
- /* the first is the master */
-
- _plugins.push_back (plug);
-
- init ();
-
- {
- Glib::Mutex::Lock em (_session.engine().process_lock());
- IO::PortCountChanged (max(input_streams(), output_streams()));
- }
-
- ProcessorCreated (this); /* EMIT SIGNAL */
-}
-
-PluginInsert::PluginInsert (Session& s, const XMLNode& node)
- : Processor (s, "unnamed plugin insert", PreFader)
-{
- if (set_state (node)) {
- throw failed_constructor();
- }
-
- // set_automatable ();
-
- {
- Glib::Mutex::Lock em (_session.engine().process_lock());
- IO::PortCountChanged (max(input_streams(), output_streams()));
- }
-}
-
-PluginInsert::PluginInsert (const PluginInsert& other)
- : Processor (other._session, other._name, other.placement())
-{
- uint32_t count = other._plugins.size();
-
- /* make as many copies as requested */
- for (uint32_t n = 0; n < count; ++n) {
- _plugins.push_back (plugin_factory (other.plugin (n)));
- }
-
- init ();
-
- ProcessorCreated (this); /* EMIT SIGNAL */
-}
-
-bool
-PluginInsert::set_count (uint32_t num)
-{
- bool require_state = !_plugins.empty();
-
- /* this is a bad idea.... we shouldn't do this while active.
- only a route holding their redirect_lock should be calling this
- */
-
- if (num == 0) {
- return false;
- } else if (num > _plugins.size()) {
- uint32_t diff = num - _plugins.size();
-
- for (uint32_t n = 0; n < diff; ++n) {
- _plugins.push_back (plugin_factory (_plugins[0]));
-
- if (require_state) {
- /* XXX do something */
- }
- }
-
- } else if (num < _plugins.size()) {
- uint32_t diff = _plugins.size() - num;
- for (uint32_t n= 0; n < diff; ++n) {
- _plugins.pop_back();
- }
- }
-
- return true;
-}
-
-void
-PluginInsert::init ()
-{
- set_automatable ();
-}
-
-PluginInsert::~PluginInsert ()
-{
- GoingAway (); /* EMIT SIGNAL */
-}
-
-void
-PluginInsert::auto_state_changed (Parameter which)
-{
- if (which.type() != PluginAutomation)
- return;
-
- boost::shared_ptr<AutomationControl> c = control (which);
-
- if (c && c->list()->automation_state() != Off) {
- _plugins[0]->set_parameter (which.id(), c->list()->eval (_session.transport_frame()));
- }
-}
-
-ChanCount
-PluginInsert::output_streams() const
-{
- if (_configured)
- return output_for_input_configuration(_configured_input);
- else
- return natural_output_streams();
-}
-
-ChanCount
-PluginInsert::input_streams() const
-{
- if (_configured)
- return _configured_input;
- else
- return natural_input_streams();
-}
-
-ChanCount
-PluginInsert::natural_output_streams() const
-{
- return _plugins[0]->get_info()->n_outputs;
-}
-
-ChanCount
-PluginInsert::natural_input_streams() const
-{
- return _plugins[0]->get_info()->n_inputs;
-}
-
-bool
-PluginInsert::is_generator() const
-{
- /* XXX more finesse is possible here. VST plugins have a
- a specific "instrument" flag, for example.
- */
-
- return _plugins[0]->get_info()->n_inputs.n_audio() == 0;
-}
-
-void
-PluginInsert::set_automatable ()
-{
- set<Parameter> a = _plugins.front()->automatable ();
-
- Plugin::ParameterDescriptor desc;
-
- for (set<Parameter>::iterator i = a.begin(); i != a.end(); ++i) {
- if (i->type() == PluginAutomation) {
- can_automate (*i);
- _plugins.front()->get_parameter_descriptor(i->id(), desc);
- boost::shared_ptr<AutomationList> list(new AutomationList(
- *i,
- //(desc.min_unbound ? FLT_MIN : desc.lower),
- //(desc.max_unbound ? FLT_MAX : desc.upper),
- desc.lower, desc.upper,
- _plugins.front()->default_value(i->id())));
-
- add_control(boost::shared_ptr<AutomationControl>(
- new PluginControl(*this, list)));
- }
- }
-}
-
-void
-PluginInsert::parameter_changed (Parameter which, float val)
-{
- if (which.type() != PluginAutomation)
- return;
-
- vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin();
-
- /* don't set the first plugin, just all the slaves */
-
- if (i != _plugins.end()) {
- ++i;
- for (; i != _plugins.end(); ++i) {
- (*i)->set_parameter (which, val);
- }
- }
-}
-
-void
-PluginInsert::set_block_size (nframes_t nframes)
-{
- for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
- (*i)->set_block_size (nframes);
- }
-}
-
-void
-PluginInsert::activate ()
-{
- for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
- (*i)->activate ();
- }
-}
-
-void
-PluginInsert::deactivate ()
-{
- for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
- (*i)->deactivate ();
- }
-}
-
-void
-PluginInsert::connect_and_run (BufferSet& bufs, nframes_t nframes, nframes_t offset, bool with_auto, nframes_t now)
-{
- uint32_t in_index = 0;
- uint32_t out_index = 0;
-
- /* Note that we've already required that plugins
- be able to handle in-place processing.
- */
-
- if (with_auto) {
-
- uint32_t n = 0;
-
- for (Controls::iterator li = _controls.begin(); li != _controls.end(); ++li, ++n) {
-
- boost::shared_ptr<AutomationControl> c = li->second;
-
- if (c->parameter().type() == PluginAutomation && c->list()->automation_playback()) {
- bool valid;
-
- const float val = c->list()->rt_safe_eval (now, valid);
-
- if (valid) {
- c->set_value(val);
- }
-
- }
- }
- }
-
- for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
- (*i)->connect_and_run (bufs, in_index, out_index, nframes, offset);
- }
-
- /* leave remaining channel buffers alone */
-}
-
-void
-PluginInsert::silence (nframes_t nframes, nframes_t offset)
-{
- uint32_t in_index = 0;
- uint32_t out_index = 0;
-
- if (active()) {
- for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
- (*i)->connect_and_run (_session.get_silent_buffers ((*i)->get_info()->n_inputs), in_index, out_index, nframes, offset);
- }
- }
-}
-
-void
-PluginInsert::run_in_place (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset)
-{
- if (active()) {
-
- if (_session.transport_rolling()) {
- automation_run (bufs, nframes, offset);
- } else {
- connect_and_run (bufs, nframes, offset, false);
- }
- } else {
-
- /* FIXME: type, audio only */
-
- uint32_t in = _plugins[0]->get_info()->n_inputs.n_audio();
- uint32_t out = _plugins[0]->get_info()->n_outputs.n_audio();
-
- if (out > in) {
-
- /* not active, but something has make up for any channel count increase */
-
- for (uint32_t n = out - in; n < out; ++n) {
- memcpy (bufs.get_audio(n).data(nframes, offset), bufs.get_audio(in - 1).data(nframes, offset), sizeof (Sample) * nframes);
- }
- }
-
- bufs.count().set_audio(out);
- }
-}
-
-void
-PluginInsert::set_parameter (Parameter param, float val)
-{
- if (param.type() != PluginAutomation)
- return;
-
- /* the others will be set from the event triggered by this */
-
- _plugins[0]->set_parameter (param.id(), val);
-
- boost::shared_ptr<AutomationControl> c = control (param);
-
- if (c)
- c->set_value(val);
-
- _session.set_dirty();
-}
-
-float
-PluginInsert::get_parameter (Parameter param)
-{
- if (param.type() != PluginAutomation)
- return 0.0;
- else
- return
- _plugins[0]->get_parameter (param.id());
-}
-
-void
-PluginInsert::automation_run (BufferSet& bufs, nframes_t nframes, nframes_t offset)
-{
- ControlEvent next_event (0, 0.0f);
- nframes_t now = _session.transport_frame ();
- nframes_t end = now + nframes;
-
- Glib::Mutex::Lock lm (_automation_lock, Glib::TRY_LOCK);
-
- if (!lm.locked()) {
- connect_and_run (bufs, nframes, offset, false);
- return;
- }
-
- if (!find_next_event (now, end, next_event)) {
-
- /* no events have a time within the relevant range */
-
- connect_and_run (bufs, nframes, offset, true, now);
- return;
- }
-
- while (nframes) {
-
- nframes_t cnt = min (((nframes_t) ceil (next_event.when) - now), nframes);
-
- connect_and_run (bufs, cnt, offset, true, now);
-
- nframes -= cnt;
- offset += cnt;
- now += cnt;
-
- if (!find_next_event (now, end, next_event)) {
- break;
- }
- }
-
- /* cleanup anything that is left to do */
-
- if (nframes) {
- connect_and_run (bufs, nframes, offset, true, now);
- }
-}
-
-float
-PluginInsert::default_parameter_value (Parameter param)
-{
- if (param.type() != PluginAutomation)
- return 1.0;
-
- if (_plugins.empty()) {
- fatal << _("programming error: ") << X_("PluginInsert::default_parameter_value() called with no plugin")
- << endmsg;
- /*NOTREACHED*/
- }
-
- return _plugins[0]->default_value (param.id());
-}
-
-boost::shared_ptr<Plugin>
-PluginInsert::plugin_factory (boost::shared_ptr<Plugin> other)
-{
- boost::shared_ptr<LadspaPlugin> lp;
-#ifdef HAVE_SLV2
- boost::shared_ptr<LV2Plugin> lv2p;
-#endif
-#ifdef VST_SUPPORT
- boost::shared_ptr<VSTPlugin> vp;
-#endif
-#ifdef HAVE_AUDIOUNITS
- boost::shared_ptr<AUPlugin> ap;
-#endif
-
- if ((lp = boost::dynamic_pointer_cast<LadspaPlugin> (other)) != 0) {
- return boost::shared_ptr<Plugin> (new LadspaPlugin (*lp));
-#ifdef HAVE_SLV2
- } else if ((lv2p = boost::dynamic_pointer_cast<LV2Plugin> (other)) != 0) {
- return boost::shared_ptr<Plugin> (new LV2Plugin (*lv2p));
-#endif
-#ifdef VST_SUPPORT
- } else if ((vp = boost::dynamic_pointer_cast<VSTPlugin> (other)) != 0) {
- return boost::shared_ptr<Plugin> (new VSTPlugin (*vp));
-#endif
-#ifdef HAVE_AUDIOUNITS
- } else if ((ap = boost::dynamic_pointer_cast<AUPlugin> (other)) != 0) {
- return boost::shared_ptr<Plugin> (new AUPlugin (*ap));
-#endif
- }
-
- fatal << string_compose (_("programming error: %1"),
- X_("unknown plugin type in PluginInsert::plugin_factory"))
- << endmsg;
- /*NOTREACHED*/
- return boost::shared_ptr<Plugin> ((Plugin*) 0);
-}
-
-bool
-PluginInsert::configure_io (ChanCount in, ChanCount out)
-{
- ChanCount matching_out = output_for_input_configuration(out);
- if (matching_out != out) {
- _configured = false;
- return false;
- } else {
- bool success = set_count (count_for_configuration(in, out));
- if (success)
- Processor::configure_io(in, out);
- return success;
- }
-}
-
-bool
-PluginInsert::can_support_input_configuration (ChanCount in) const
-{
- ChanCount outputs = _plugins[0]->get_info()->n_outputs;
- ChanCount inputs = _plugins[0]->get_info()->n_inputs;
-
- /* see output_for_input_configuration below */
- if ((inputs.n_total() == 0)
- || (inputs.n_total() == 1 && outputs == inputs)
- || (inputs.n_total() == 1 && outputs == inputs
- && ((inputs.n_audio() == 0 && in.n_audio() == 0)
- || (inputs.n_midi() == 0 && in.n_midi() == 0)))
- || (inputs == in)) {
- return true;
- }
-
- bool can_replicate = true;
-
- /* if number of inputs is a factor of the requested input
- configuration for every type, we can replicate.
- */
- for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
- if (inputs.get(*t) >= in.get(*t) || (inputs.get(*t) % in.get(*t) != 0)) {
- can_replicate = false;
- break;
- }
- }
-
- if (can_replicate && (in.n_total() % inputs.n_total() == 0)) {
- return true;
- } else {
- return false;
- }
-}
-
-ChanCount
-PluginInsert::output_for_input_configuration (ChanCount in) const
-{
- ChanCount outputs = _plugins[0]->get_info()->n_outputs;
- ChanCount inputs = _plugins[0]->get_info()->n_inputs;
-
- if (inputs.n_total() == 0) {
- /* instrument plugin, always legal, but throws away any existing streams */
- return outputs;
- }
-
- if (inputs.n_total() == 1 && outputs == inputs
- && ((inputs.n_audio() == 0 && in.n_audio() == 0)
- || (inputs.n_midi() == 0 && in.n_midi() == 0))) {
- /* mono plugin, replicate as needed to match in */
- return in;
- }
-
- if (inputs == in) {
- /* exact match */
- return outputs;
- }
-
- bool can_replicate = true;
-
- /* if number of inputs is a factor of the requested input
- configuration for every type, we can replicate.
- */
- for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
- if (inputs.get(*t) >= in.get(*t) || (in.get(*t) % inputs.get(*t) != 0)) {
- can_replicate = false;
- break;
- }
- }
-
- if (can_replicate && (inputs.n_total() % in.n_total() == 0)) {
- ChanCount output;
-
- for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
- output.set(*t, outputs.get(*t) * (in.get(*t) / inputs.get(*t)));
- }
-
- return output;
- }
-
- /* sorry */
- return ChanCount();
-}
-
-/* Number of plugin instances required to support a given channel configuration.
- * (private helper)
- */
-int32_t
-PluginInsert::count_for_configuration (ChanCount in, ChanCount out) const
-{
- // FIXME: take 'out' into consideration
-
- ChanCount outputs = _plugins[0]->get_info()->n_outputs;
- ChanCount inputs = _plugins[0]->get_info()->n_inputs;
-
- if (inputs.n_total() == 0) {
- /* instrument plugin, always legal, but throws away any existing streams */
- return 1;
- }
-
- if (inputs.n_total() == 1 && outputs == inputs
- && ((inputs.n_audio() == 0 && in.n_audio() == 0)
- || (inputs.n_midi() == 0 && in.n_midi() == 0))) {
- /* mono plugin, replicate as needed to match in */
- return in.n_total();
- }
-
- if (inputs == in) {
- /* exact match */
- return 1;
- }
-
- // assumes in is valid, so we must be replicating
- if (inputs.n_total() < in.n_total()
- && (in.n_total() % inputs.n_total() == 0)) {
-
- return in.n_total() / inputs.n_total();
- }
-
- /* err... */
- return 0;
-}
-
-XMLNode&
-PluginInsert::get_state(void)
-{
- return state (true);
-}
-
-XMLNode&
-PluginInsert::state (bool full)
-{
- XMLNode& node = Processor::state (full);
-
- node.add_property ("type", _plugins[0]->state_node_name());
- node.add_property("unique-id", _plugins[0]->unique_id());
- node.add_property("count", string_compose("%1", _plugins.size()));
- node.add_child_nocopy (_plugins[0]->get_state());
-
- /* add port automation state */
- XMLNode *autonode = new XMLNode(port_automation_node_name);
- set<Parameter> automatable = _plugins[0]->automatable();
-
- for (set<Parameter>::iterator x = automatable.begin(); x != automatable.end(); ++x) {
-
- /*XMLNode* child = new XMLNode("port");
- snprintf(buf, sizeof(buf), "%" PRIu32, *x);
- child->add_property("number", string(buf));
-
- child->add_child_nocopy (automation_list (*x).state (full));
- autonode->add_child_nocopy (*child);
- */
- autonode->add_child_nocopy (control(*x)->list()->state (full));
- }
-
- node.add_child_nocopy (*autonode);
-
- return node;
-}
-
-int
-PluginInsert::set_state(const XMLNode& node)
-{
- XMLNodeList nlist = node.children();
- XMLNodeIterator niter;
- XMLPropertyList plist;
- const XMLProperty *prop;
- ARDOUR::PluginType type;
-
- if ((prop = node.property ("type")) == 0) {
- error << _("XML node describing insert is missing the `type' field") << endmsg;
- return -1;
- }
-
- if (prop->value() == X_("ladspa") || prop->value() == X_("Ladspa")) { /* handle old school sessions */
- type = ARDOUR::LADSPA;
- } else if (prop->value() == X_("lv2")) {
- type = ARDOUR::LV2;
- } else if (prop->value() == X_("vst")) {
- type = ARDOUR::VST;
- } else {
- error << string_compose (_("unknown plugin type %1 in plugin insert state"),
- prop->value())
- << endmsg;
- return -1;
- }
-
- prop = node.property ("unique-id");
- if (prop == 0) {
- error << _("Plugin has no unique ID field") << endmsg;
- return -1;
- }
-
- boost::shared_ptr<Plugin> plugin;
-
- plugin = find_plugin (_session, prop->value(), type);
-
- if (plugin == 0) {
- error << string_compose(_("Found a reference to a plugin (\"%1\") that is unknown.\n"
- "Perhaps it was removed or moved since it was last used."), prop->value())
- << endmsg;
- return -1;
- }
-
- uint32_t count = 1;
-
- if ((prop = node.property ("count")) != 0) {
- sscanf (prop->value().c_str(), "%u", &count);
- }
-
- if (_plugins.size() != count) {
-
- _plugins.push_back (plugin);
-
- for (uint32_t n=1; n < count; ++n) {
- _plugins.push_back (plugin_factory (plugin));
- }
- }
-
- for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
- if ((*niter)->name() == plugin->state_node_name()) {
- for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) {
- (*i)->set_state (**niter);
- }
- break;
- }
- }
-
- const XMLNode* insert_node = &node;
-
- // legacy sessions: search for child IOProcessor node
- for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
- if ((*niter)->name() == "IOProcessor") {
- insert_node = *niter;
- break;
- }
- }
-
- Processor::set_state (*insert_node);
-
- /* look for port automation node */
-
- for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
-
- if ((*niter)->name() != port_automation_node_name) {
- continue;
- }
-
- XMLNodeList cnodes;
- XMLProperty *cprop;
- XMLNodeConstIterator iter;
- XMLNode *child;
- const char *port;
- uint32_t port_id;
-
- cnodes = (*niter)->children ("port");
-
- for(iter = cnodes.begin(); iter != cnodes.end(); ++iter){
-
- child = *iter;
-
- if ((cprop = child->property("number")) != 0) {
- port = cprop->value().c_str();
- } else {
- warning << _("PluginInsert: Auto: no ladspa port number") << endmsg;
- continue;
- }
-
- sscanf (port, "%" PRIu32, &port_id);
-
- if (port_id >= _plugins[0]->parameter_count()) {
- warning << _("PluginInsert: Auto: port id out of range") << endmsg;
- continue;
- }
-
- if (!child->children().empty()) {
- control (Parameter(PluginAutomation, port_id), true)->list()->set_state (*child->children().front());
- } else {
- if ((cprop = child->property("auto")) != 0) {
-
- /* old school */
-
- int x;
- sscanf (cprop->value().c_str(), "0x%x", &x);
- control (Parameter(PluginAutomation, port_id), true)->list()->set_automation_state (AutoState (x));
-
- } else {
-
- /* missing */
-
- control (Parameter(PluginAutomation, port_id), true)->list()->set_automation_state (Off);
- }
- }
-
- }
-
- /* done */
-
- break;
- }
-
- if (niter == nlist.end()) {
- warning << string_compose(_("XML node describing a port automation is missing the `%1' information"), port_automation_node_name) << endmsg;
- }
-
- // The name of the PluginInsert comes from the plugin, nothing else
- _name = plugin->get_info()->name;
-
- return 0;
-}
-
-string
-PluginInsert::describe_parameter (Parameter param)
-{
- if (param.type() != PluginAutomation)
- return Automatable::describe_parameter(param);
-
- return _plugins[0]->describe_parameter (param);
-}
-
-ARDOUR::nframes_t
-PluginInsert::signal_latency() const
-{
- if (_user_latency) {
- return _user_latency;
- }
-
- return _plugins[0]->signal_latency ();
-}
-
-ARDOUR::PluginType
-PluginInsert::type ()
-{
- boost::shared_ptr<LadspaPlugin> lp;
-#ifdef VST_SUPPORT
- boost::shared_ptr<VSTPlugin> vp;
-#endif
-#ifdef HAVE_AUDIOUNITS
- boost::shared_ptr<AUPlugin> ap;
-#endif
-
- PluginPtr other = plugin ();
-
- if ((lp = boost::dynamic_pointer_cast<LadspaPlugin> (other)) != 0) {
- return ARDOUR::LADSPA;
-#ifdef VST_SUPPORT
- } else if ((vp = boost::dynamic_pointer_cast<VSTPlugin> (other)) != 0) {
- return ARDOUR::VST;
-#endif
-#ifdef HAVE_AUDIOUNITS
- } else if ((ap = boost::dynamic_pointer_cast<AUPlugin> (other)) != 0) {
- return ARDOUR::AudioUnit;
-#endif
- } else {
- /* NOT REACHED */
- return (ARDOUR::PluginType) 0;
- }
-}
-
-PluginInsert::PluginControl::PluginControl (PluginInsert& p, boost::shared_ptr<AutomationList> list)
- : AutomationControl (p.session(), list, p.describe_parameter(list->parameter()))
- , _plugin (p)
- , _list (list)
-{
- Plugin::ParameterDescriptor desc;
- p.plugin(0)->get_parameter_descriptor (list->parameter().id(), desc);
- _logarithmic = desc.logarithmic;
- _toggled = desc.toggled;
-}
-
-void
-PluginInsert::PluginControl::set_value (float val)
-{
- /* FIXME: probably should be taking out some lock here.. */
-
- if (_toggled) {
- if (val > 0.5) {
- val = 1.0;
- } else {
- val = 0.0;
- }
- } else {
-
- /*const float range = _list->get_max_y() - _list->get_min_y();
- const float lower = _list->get_min_y();
-
- if (!_logarithmic) {
- val = lower + (range * val);
- } else {
- float log_lower = 0.0f;
- if (lower > 0.0f) {
- log_lower = log(lower);
- }
-
- val = exp(log_lower + log(range) * val);
- }*/
-
- }
-
- for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugin._plugins.begin();
- i != _plugin._plugins.end(); ++i) {
- (*i)->set_parameter (_list->parameter().id(), val);
- }
-
- AutomationControl::set_value(val);
-}
-
-float
-PluginInsert::PluginControl::get_value (void) const
-{
- /* FIXME: probably should be taking out some lock here.. */
-
- float val = _plugin.get_parameter (_list->parameter());
-
- return val;
-
- /*if (_toggled) {
-
- return val;
-
- } else {
-
- if (_logarithmic) {
- val = log(val);
- }
-
- return ((val - lower) / range);
- }*/
-}
-